According to Cobra Island, BigBadToyStore has 4 new 2.5″ Sigma Six Vehicle Sets up for pre-order. They actually all look pretty cool, particularly the Mech and the HISS Tank, but we are still wondering why Hasbro came out with a 2.5″ line in the first place, when there was already a successful 8″ line for the franchise.

The new sets are: